From patchwork Tue Nov 5 00:18:56 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matthew Sakai X-Patchwork-Id: 13862219 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 024A01FC3 for ; Tue, 5 Nov 2024 00:19:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.133.124 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730765942; cv=none; b=XzjUmObbSyScLtr4W9XXFV47D9MWraJHebvG3EIpk9SAD02BNAcikaXj3rfbs++PhK0ap/rK9FyZ3CKBRAxhfS+yr9fqWXAhC/UlifWdRL1Tmgo4DOyXMElYw6B289Kvz7sbxjY6sApfUxs9uL3di9FginJS216TewhH8U3oiA4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730765942; c=relaxed/simple; bh=hgP6/LdnAqik2c1PnTOV9R39vDIKKJmEbvwW+ww0jf4=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version:Content-Type; b=nuDOuaTGpsGCqvKXf02S7lWOHRX9hTjpkGpQ3KOOu121vae6/IMX0Eci08ry5tSNrde5/fUubOiFjRx1QbXuks+d9xdn4ePczxD0TWm1kTYnuGk6o1ujEn1LFXW0qrZH3hQoBUlN0t06rpN2KGyQPIs16tVMXPXWgG71GU9pqDc= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=gP9+UsRY; arc=none smtp.client-ip=170.10.133.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="gP9+UsRY" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1730765939; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=qz7Wx/v506K7+c7Xt4ADaW5De69dcrbj9iL0ItQiBAQ=; b=gP9+UsRYTtoN+wjh+wSXf7KH+jRiusPWCOeWEMFZKxmtzcUImb+OuTBqrp+HLB+h80wetT ZPmIM1GuyUJK63Lbpvj8LcSR6kDhvicMna+lccjLDE03ObLruUhAeofpE8Obo2Vp95DqV3 j1tQt63hJJ1SrUMn0GTQqYMI//qnM+Q= Received: from mx-prod-mc-01.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-492-FR1DHoQ2Mc2ua3kAYW_I-g-1; Mon, 04 Nov 2024 19:18:58 -0500 X-MC-Unique: FR1DHoQ2Mc2ua3kAYW_I-g-1 Received: from mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.40]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-01.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id B3109195608C for ; Tue, 5 Nov 2024 00:18:57 +0000 (UTC) Received: from vdo-builder-msakai.permabit.com (vdo-builder-msakai.permabit.lab.eng.bos.redhat.com [10.0.103.170]) by mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 7A6D319560AD; Tue, 5 Nov 2024 00:18:57 +0000 (UTC) Received: by vdo-builder-msakai.permabit.com (Postfix, from userid 1138) id E73D559E5E; Mon, 4 Nov 2024 19:18:56 -0500 (EST) From: Matthew Sakai To: dm-devel@lists.linux.dev Cc: Susan LeGendre-McGhee , Matthew Sakai Subject: [PATCH] dm-vdo murmurhash: remove u64 alignment requirement Date: Mon, 4 Nov 2024 19:18:56 -0500 Message-ID: <20241105001856.866095-1-msakai@redhat.com> Precedence: bulk X-Mailing-List: dm-devel@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.0 on 10.30.177.40 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com From: Susan LeGendre-McGhee Signed-off-by: Susan LeGendre-McGhee Signed-off-by: Matthew Sakai --- drivers/md/dm-vdo/murmurhash3.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/drivers/md/dm-vdo/murmurhash3.c b/drivers/md/dm-vdo/murmurhash3.c index 3a989efae142..ec9fc992441c 100644 --- a/drivers/md/dm-vdo/murmurhash3.c +++ b/drivers/md/dm-vdo/murmurhash3.c @@ -44,14 +44,11 @@ void murmurhash3_128(const void *key, const int len, const u32 seed, void *out) u64 *hash_out = out; /* body */ - - const u64 *blocks = (const u64 *)(data); - int i; for (i = 0; i < nblocks; i++) { - u64 k1 = get_unaligned_le64(&blocks[i * 2]); - u64 k2 = get_unaligned_le64(&blocks[i * 2 + 1]); + u64 k1 = get_unaligned_le64(&data[i * 16]); + u64 k2 = get_unaligned_le64(&data[i * 16 + 8]); k1 *= c1; k1 = ROTL64(k1, 31);